diff --git a/src/Control/Monad/TestFixture.hs b/src/Control/Monad/TestFixture.hs
--- a/src/Control/Monad/TestFixture.hs
+++ b/src/Control/Monad/TestFixture.hs
@@ -194,6 +194,8 @@
   , execTestFixtureT
   , runTestFixtureT
   -- * Helper functions
+  , module Control.Monad.Writer.Class
+  , module Control.Monad.State.Class
   , arg0
   , arg1
   , arg2
@@ -204,6 +206,9 @@
   , arg7
   , unimplemented
   ) where
+
+import qualified Control.Monad.Writer.Class
+import qualified Control.Monad.State.Class
 
 import Control.Monad.RWS
 import Data.Functor.Identity
diff --git a/test-fixture.cabal b/test-fixture.cabal
--- a/test-fixture.cabal
+++ b/test-fixture.cabal
@@ -1,7 +1,7 @@
 name:
   test-fixture
 version:
-  0.3.0.0
+  0.3.1.0
 synopsis:
   Test monadic side-effects
 description: